This site is believed to be connected to the oldest house in Arlington County.

Only through the lens of a microscope can visitors see the true treasures inside this museum.

An 800-year-old island castle in Guernsey's main harbor.

The traveling wares of Denmark's most famous author.

This historic Chinese church was relocated and revived as a museum that preserves and celebrates Chinese art, history, and culture.

A 70-foot replica of the famed Eiffel Tower.

The Catskills retreat of naturalist writer John Burroughs.

The longest covered bridge in Delaware.

Surreal giant face-pillars welcome visitors from across the globe to this hotel.

A total of 14 men held the title of "president" before George Washington—their historical legacies are enshrined in the lobby of a hotel.

In 1909, the steepest and most difficult piece of track on the Canadian Pacific Railway was replaced with a series of spiralling tunnels cut into the mountains.

This location holds the truth to what truly happened that faithful night.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

An unassuming corner inside downtown Orlando's library offers a whole new world of the park and its history.

At this historic pub, you can sit back, sip, and watch a whole century go by.

What started as a collection of vintage tractors turned into a museum filled with cars, radios, and other oddities.

A historic structure that once housed pigeons used by farmers to help fertilize farmland.

Inside this museum is an ongoing excavation of an ancient shipwreck.

According to legend, those who pray at this statue will also be granted a wish.

This impressive castle looms over small German town.

The final resting place of one of Germany's most accomplished Renaissance men.

A monument to the bloody fight against fascism in Slovakia during World War II.